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<FONT color="green">001</FONT>    /**<a name="line.1"></a>
<FONT color="green">002</FONT>     * Copyright 2011 Bill Brown<a name="line.2"></a>
<FONT color="green">003</FONT>     *<a name="line.3"></a>
<FONT color="green">004</FONT>     * Licensed under the Apache License, Version 2.0 (the "License");<a name="line.4"></a>
<FONT color="green">005</FONT>     * you may not use this file except in compliance with the License.<a name="line.5"></a>
<FONT color="green">006</FONT>     * You may obtain a copy of the License at<a name="line.6"></a>
<FONT color="green">007</FONT>     *<a name="line.7"></a>
<FONT color="green">008</FONT>     * http://www.apache.org/licenses/LICENSE-2.0<a name="line.8"></a>
<FONT color="green">009</FONT>     *<a name="line.9"></a>
<FONT color="green">010</FONT>     * Unless required by applicable law or agreed to in writing, software<a name="line.10"></a>
<FONT color="green">011</FONT>     * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.11"></a>
<FONT color="green">012</FONT>     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.12"></a>
<FONT color="green">013</FONT>     * See the License for the specific language governing permissions and<a name="line.13"></a>
<FONT color="green">014</FONT>     * limitations under the License.<a name="line.14"></a>
<FONT color="green">015</FONT>     */<a name="line.15"></a>
<FONT color="green">016</FONT>    package com.colorfulsoftware.rss;<a name="line.16"></a>
<FONT color="green">017</FONT>    <a name="line.17"></a>
<FONT color="green">018</FONT>    import java.io.Serializable;<a name="line.18"></a>
<FONT color="green">019</FONT>    import java.util.LinkedList;<a name="line.19"></a>
<FONT color="green">020</FONT>    import java.util.List;<a name="line.20"></a>
<FONT color="green">021</FONT>    <a name="line.21"></a>
<FONT color="green">022</FONT>    /**<a name="line.22"></a>
<FONT color="green">023</FONT>     * &lt;p&gt;<a name="line.23"></a>
<FONT color="green">024</FONT>     * The &amp;lt;enclosure&gt; element.<a name="line.24"></a>
<FONT color="green">025</FONT>     * &lt;/p&gt;<a name="line.25"></a>
<FONT color="green">026</FONT>     * &lt;p&gt;<a name="line.26"></a>
<FONT color="green">027</FONT>     * From the &lt;a href="http://cyber.law.harvard.edu/rss/rss.html"&gt;RSS 2.0<a name="line.27"></a>
<FONT color="green">028</FONT>     * specification&lt;/a&gt;...<a name="line.28"></a>
<FONT color="green">029</FONT>     * &lt;/p&gt;<a name="line.29"></a>
<FONT color="green">030</FONT>     * &lt;p&gt;<a name="line.30"></a>
<FONT color="green">031</FONT>     * Describes a media object that is attached to the item. &lt;a href=<a name="line.31"></a>
<FONT color="green">032</FONT>     * "http://cyber.law.harvard.edu/rss/rss.html#ltenclosuregtSubelementOfLtitemgt"<a name="line.32"></a>
<FONT color="green">033</FONT>     * &gt;More&lt;/a&gt;.<a name="line.33"></a>
<FONT color="green">034</FONT>     * &lt;/p&gt;<a name="line.34"></a>
<FONT color="green">035</FONT>     * <a name="line.35"></a>
<FONT color="green">036</FONT>     * &lt;p&gt;<a name="line.36"></a>
<FONT color="green">037</FONT>     * &amp;lt;enclosure&gt; is an optional sub-element of &amp;lt;item&gt;.<a name="line.37"></a>
<FONT color="green">038</FONT>     * &lt;/p&gt;<a name="line.38"></a>
<FONT color="green">039</FONT>     * <a name="line.39"></a>
<FONT color="green">040</FONT>     * &lt;p&gt;<a name="line.40"></a>
<FONT color="green">041</FONT>     * It has three required attributes. url says where the enclosure is located,<a name="line.41"></a>
<FONT color="green">042</FONT>     * length says how big it is in bytes, and type says what its type is, a<a name="line.42"></a>
<FONT color="green">043</FONT>     * standard MIME type.<a name="line.43"></a>
<FONT color="green">044</FONT>     * &lt;/p&gt;<a name="line.44"></a>
<FONT color="green">045</FONT>     * <a name="line.45"></a>
<FONT color="green">046</FONT>     * &lt;p&gt;<a name="line.46"></a>
<FONT color="green">047</FONT>     * The url must be an http url.<a name="line.47"></a>
<FONT color="green">048</FONT>     * &lt;/p&gt;<a name="line.48"></a>
<FONT color="green">049</FONT>     * <a name="line.49"></a>
<FONT color="green">050</FONT>     * &lt;p&gt;<a name="line.50"></a>
<FONT color="green">051</FONT>     * &amp;lt;enclosure url="http://www.scripting.com/mp3s/weatherReportSuite.mp3"<a name="line.51"></a>
<FONT color="green">052</FONT>     * length="12216320" type="audio/mpeg" /&gt;<a name="line.52"></a>
<FONT color="green">053</FONT>     * &lt;/p&gt;<a name="line.53"></a>
<FONT color="green">054</FONT>     * <a name="line.54"></a>
<FONT color="green">055</FONT>     * &lt;p&gt;<a name="line.55"></a>
<FONT color="green">056</FONT>     * A use-case narrative for this element is &lt;a<a name="line.56"></a>
<FONT color="green">057</FONT>     * href="http://www.thetwowayweb.com/payloadsforrss"&gt;here&lt;/a&gt;.<a name="line.57"></a>
<FONT color="green">058</FONT>     * &lt;/p&gt;<a name="line.58"></a>
<FONT color="green">059</FONT>     * <a name="line.59"></a>
<FONT color="green">060</FONT>     * @author Bill Brown<a name="line.60"></a>
<FONT color="green">061</FONT>     * <a name="line.61"></a>
<FONT color="green">062</FONT>     */<a name="line.62"></a>
<FONT color="green">063</FONT>    public class Enclosure implements Serializable {<a name="line.63"></a>
<FONT color="green">064</FONT>    <a name="line.64"></a>
<FONT color="green">065</FONT>            /**<a name="line.65"></a>
<FONT color="green">066</FONT>             * <a name="line.66"></a>
<FONT color="green">067</FONT>             */<a name="line.67"></a>
<FONT color="green">068</FONT>            private static final long serialVersionUID = -7669768690905784080L;<a name="line.68"></a>
<FONT color="green">069</FONT>    <a name="line.69"></a>
<FONT color="green">070</FONT>            private final List&lt;Attribute&gt; attributes;<a name="line.70"></a>
<FONT color="green">071</FONT>            private final Attribute url;<a name="line.71"></a>
<FONT color="green">072</FONT>            private final Attribute length;<a name="line.72"></a>
<FONT color="green">073</FONT>            private final Attribute type;<a name="line.73"></a>
<FONT color="green">074</FONT>    <a name="line.74"></a>
<FONT color="green">075</FONT>            Enclosure(List&lt;Attribute&gt; attributes) throws RSSpectException {<a name="line.75"></a>
<FONT color="green">076</FONT>    <a name="line.76"></a>
<FONT color="green">077</FONT>                    if (attributes == null) {<a name="line.77"></a>
<FONT color="green">078</FONT>                            throw new RSSpectException(<a name="line.78"></a>
<FONT color="green">079</FONT>                                            "enclosure elements MUST contain the url, length and type attributes.  See: http://cyber.law.harvard.edu/rss/rss.html#ltenclosuregtSubelementOfLtitemgt");<a name="line.79"></a>
<FONT color="green">080</FONT>                    } else {<a name="line.80"></a>
<FONT color="green">081</FONT>                            this.attributes = new LinkedList&lt;Attribute&gt;();<a name="line.81"></a>
<FONT color="green">082</FONT>                            for (Attribute attr : attributes) {<a name="line.82"></a>
<FONT color="green">083</FONT>                                    // check for unsupported attribute.<a name="line.83"></a>
<FONT color="green">084</FONT>                                    this.attributes.add(new Attribute(attr));<a name="line.84"></a>
<FONT color="green">085</FONT>                            }<a name="line.85"></a>
<FONT color="green">086</FONT>                    }<a name="line.86"></a>
<FONT color="green">087</FONT>    <a name="line.87"></a>
<FONT color="green">088</FONT>                    if ((this.url = getAttribute("url")) == null) {<a name="line.88"></a>
<FONT color="green">089</FONT>                            throw new RSSpectException(<a name="line.89"></a>
<FONT color="green">090</FONT>                                            "enclosure elements MUST have a url attribute.");<a name="line.90"></a>
<FONT color="green">091</FONT>                    }<a name="line.91"></a>
<FONT color="green">092</FONT>    <a name="line.92"></a>
<FONT color="green">093</FONT>                    if ((this.length = getAttribute("length")) == null) {<a name="line.93"></a>
<FONT color="green">094</FONT>                            throw new RSSpectException(<a name="line.94"></a>
<FONT color="green">095</FONT>                                            "enclosure elements MUST have a length attribute.");<a name="line.95"></a>
<FONT color="green">096</FONT>                    }<a name="line.96"></a>
<FONT color="green">097</FONT>    <a name="line.97"></a>
<FONT color="green">098</FONT>                    if ((this.type = getAttribute("type")) == null) {<a name="line.98"></a>
<FONT color="green">099</FONT>                            throw new RSSpectException(<a name="line.99"></a>
<FONT color="green">100</FONT>                                            "enclosure elements MUST have a type attribute.");<a name="line.100"></a>
<FONT color="green">101</FONT>                    }<a name="line.101"></a>
<FONT color="green">102</FONT>    <a name="line.102"></a>
<FONT color="green">103</FONT>            }<a name="line.103"></a>
<FONT color="green">104</FONT>    <a name="line.104"></a>
<FONT color="green">105</FONT>            Enclosure(Enclosure enclosure) {<a name="line.105"></a>
<FONT color="green">106</FONT>                    this.attributes = enclosure.getAttributes();<a name="line.106"></a>
<FONT color="green">107</FONT>                    this.url = enclosure.getUrl();<a name="line.107"></a>
<FONT color="green">108</FONT>                    this.length = enclosure.getLength();<a name="line.108"></a>
<FONT color="green">109</FONT>                    this.type = enclosure.getType();<a name="line.109"></a>
<FONT color="green">110</FONT>            }<a name="line.110"></a>
<FONT color="green">111</FONT>    <a name="line.111"></a>
<FONT color="green">112</FONT>            /**<a name="line.112"></a>
<FONT color="green">113</FONT>             * <a name="line.113"></a>
<FONT color="green">114</FONT>             * @return the cloud attribute list.<a name="line.114"></a>
<FONT color="green">115</FONT>             */<a name="line.115"></a>
<FONT color="green">116</FONT>            public List&lt;Attribute&gt; getAttributes() {<a name="line.116"></a>
<FONT color="green">117</FONT>    <a name="line.117"></a>
<FONT color="green">118</FONT>                    List&lt;Attribute&gt; attrsCopy = new LinkedList&lt;Attribute&gt;();<a name="line.118"></a>
<FONT color="green">119</FONT>                    for (Attribute attr : this.attributes) {<a name="line.119"></a>
<FONT color="green">120</FONT>                            attrsCopy.add(new Attribute(attr));<a name="line.120"></a>
<FONT color="green">121</FONT>                    }<a name="line.121"></a>
<FONT color="green">122</FONT>    <a name="line.122"></a>
<FONT color="green">123</FONT>                    return attrsCopy;<a name="line.123"></a>
<FONT color="green">124</FONT>            }<a name="line.124"></a>
<FONT color="green">125</FONT>    <a name="line.125"></a>
<FONT color="green">126</FONT>            /**<a name="line.126"></a>
<FONT color="green">127</FONT>             * @return the url attribute<a name="line.127"></a>
<FONT color="green">128</FONT>             */<a name="line.128"></a>
<FONT color="green">129</FONT>            public Attribute getUrl() {<a name="line.129"></a>
<FONT color="green">130</FONT>                    return new Attribute(url);<a name="line.130"></a>
<FONT color="green">131</FONT>    <a name="line.131"></a>
<FONT color="green">132</FONT>            }<a name="line.132"></a>
<FONT color="green">133</FONT>    <a name="line.133"></a>
<FONT color="green">134</FONT>            /**<a name="line.134"></a>
<FONT color="green">135</FONT>             * @return the length attribute.<a name="line.135"></a>
<FONT color="green">136</FONT>             */<a name="line.136"></a>
<FONT color="green">137</FONT>            public Attribute getLength() {<a name="line.137"></a>
<FONT color="green">138</FONT>                    return new Attribute(length);<a name="line.138"></a>
<FONT color="green">139</FONT>            }<a name="line.139"></a>
<FONT color="green">140</FONT>    <a name="line.140"></a>
<FONT color="green">141</FONT>            /**<a name="line.141"></a>
<FONT color="green">142</FONT>             * @return the type attribute.<a name="line.142"></a>
<FONT color="green">143</FONT>             */<a name="line.143"></a>
<FONT color="green">144</FONT>            public Attribute getType() {<a name="line.144"></a>
<FONT color="green">145</FONT>                    return new Attribute(type);<a name="line.145"></a>
<FONT color="green">146</FONT>            }<a name="line.146"></a>
<FONT color="green">147</FONT>    <a name="line.147"></a>
<FONT color="green">148</FONT>            /**<a name="line.148"></a>
<FONT color="green">149</FONT>             * @param attrName<a name="line.149"></a>
<FONT color="green">150</FONT>             *            the name of the attribute to get.<a name="line.150"></a>
<FONT color="green">151</FONT>             * @return the Attribute object if attrName matches or null if not found.<a name="line.151"></a>
<FONT color="green">152</FONT>             */<a name="line.152"></a>
<FONT color="green">153</FONT>            public Attribute getAttribute(String attrName) {<a name="line.153"></a>
<FONT color="green">154</FONT>                    for (Attribute attribute : this.attributes) {<a name="line.154"></a>
<FONT color="green">155</FONT>                            if (attribute.getName().equals(attrName)) {<a name="line.155"></a>
<FONT color="green">156</FONT>                                    return new Attribute(attribute);<a name="line.156"></a>
<FONT color="green">157</FONT>                            }<a name="line.157"></a>
<FONT color="green">158</FONT>                    }<a name="line.158"></a>
<FONT color="green">159</FONT>                    return null;<a name="line.159"></a>
<FONT color="green">160</FONT>            }<a name="line.160"></a>
<FONT color="green">161</FONT>    <a name="line.161"></a>
<FONT color="green">162</FONT>            /**<a name="line.162"></a>
<FONT color="green">163</FONT>             * Shows the contents of the &amp;lt;enclosure&gt; element.<a name="line.163"></a>
<FONT color="green">164</FONT>             */<a name="line.164"></a>
<FONT color="green">165</FONT>            @Override<a name="line.165"></a>
<FONT color="green">166</FONT>            public String toString() {<a name="line.166"></a>
<FONT color="green">167</FONT>                    StringBuilder sb = new StringBuilder("&lt;enclosure");<a name="line.167"></a>
<FONT color="green">168</FONT>                    for (Attribute attribute : attributes) {<a name="line.168"></a>
<FONT color="green">169</FONT>                            sb.append(attribute);<a name="line.169"></a>
<FONT color="green">170</FONT>                    }<a name="line.170"></a>
<FONT color="green">171</FONT>                    sb.append(" /&gt;");<a name="line.171"></a>
<FONT color="green">172</FONT>                    return sb.toString();<a name="line.172"></a>
<FONT color="green">173</FONT>            }<a name="line.173"></a>
<FONT color="green">174</FONT>            <a name="line.174"></a>
<FONT color="green">175</FONT>            @Override<a name="line.175"></a>
<FONT color="green">176</FONT>            public boolean equals(Object obj) {<a name="line.176"></a>
<FONT color="green">177</FONT>                    if (obj == this) {<a name="line.177"></a>
<FONT color="green">178</FONT>                            return true;<a name="line.178"></a>
<FONT color="green">179</FONT>                    }<a name="line.179"></a>
<FONT color="green">180</FONT>                    if (!(obj instanceof Enclosure)) {<a name="line.180"></a>
<FONT color="green">181</FONT>                            return false;<a name="line.181"></a>
<FONT color="green">182</FONT>                    }<a name="line.182"></a>
<FONT color="green">183</FONT>                    return this.toString().equals(obj.toString());<a name="line.183"></a>
<FONT color="green">184</FONT>            }<a name="line.184"></a>
<FONT color="green">185</FONT>            <a name="line.185"></a>
<FONT color="green">186</FONT>            @Override public int hashCode() {<a name="line.186"></a>
<FONT color="green">187</FONT>                    return toString().hashCode();<a name="line.187"></a>
<FONT color="green">188</FONT>            }<a name="line.188"></a>
<FONT color="green">189</FONT>    <a name="line.189"></a>
<FONT color="green">190</FONT>    }<a name="line.190"></a>




























































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